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APG series
Edwards APGX-H 1/8 NPT (Stainless Steel) Linear Convection Vacuum Gauge, D02396000
Edwards APGX-H 1/8 NPT (Stainless Steel) Linear Convection Vacuum Gauge has a wide measuring range from 1333 to 3 x 10-4 mbar (1000 to 2.3 x 10-4 Torr). The use of APGX-H 1/8 NPT convection technology ensures accuracy and sensitivity are maintained to the top of the range.
The Edwards APGX-H 1/8 NPT is compact and may be mounted in any orientation, simplifying installation where space is limited. The gauge incorporates a setpoint and two LEDs, which indicate setpoint and gauge status.
The Edwards APGX-H-NW25 uses the constant temperature principle in which the cooling effect of the gas on the filament is overcome by varying the voltage applied, which in turn maintains a constant resistance and keeps the circuit in equilibrium. This voltage is therefore a measure of the pressure in the gauge tube. It should be noted that different gasses have different thermal properties and as such the output of Edwards APGX-H-NW16 is gas dependant.
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| Pressure range | 1333 to 3 x 10-4 mbar(1000 to 2.3 x 10-4 Torr) |
| Power supply | 14.5 to 30 V DC |
| Power consumption | 1.5 W maximum |
| Accuracy | ±15% of reading ±3 x 10-4 mbar |
| Repeatability | ±5% of reading |
| Response time | < 100 ms |
| Maximum overpressure | 10 bar absolute (145 psia) |
| Adjustments | Set vacuum and set atmosphere. To allow for variations in barometric pressure, atmosphere may be set in the range 700 to 1100 mbar (525 to 825 Torr). |
| Setpoints† (open collector transistor) | Range of setpoint 1.8 to 9.3 V |
| Rating 30 V DC 100 mA | |
| Fixed hysteresis (1/2 decade) 500 mV |
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